initialize them from target PT_PHDR p_vaddr, relocate sect_addr by
pt_phdr if PT_PHDR was found.
* gdb.base/attach-pie-noexec.c: New files.
* gdb.base/attach-pie-noexec.exp: New files.
* gdbtypes.h: Added TYPE_SAFE_NAME macro to get the name of a
type or "<unnamed type"> when there is no name assigned.
* gnu-v3-abi.c (gnuv3_rtti_type): Use TYPE_SAFE_NAME macro to
avoid a sigint when no name is assigned.
Revert:
2011-07-27 Jan Kratochvil <jan.kratochvil@redhat.com>
* dwarf2expr.c (ctx_no_read_reg): New function.
* dwarf2expr.h (ctx_no_read_reg): New declaration.
* dwarf2read.c (read_2_signed_bytes, read_4_signed_bytes): Remove.
(decode_locdesc_read_mem, decode_locdesc_ctx_funcs): New.
(decode_locdesc): Replace by a caller of dwarf_expr_eval.
gdb/testsuite/
* gdb.dwarf2/dw2-simple-locdesc.exp (p &s.shl): KFAIL it.
Revert the part of:
2011-07-27 Jan Kratochvil <jan.kratochvil@redhat.com>
* gdb.dwarf2/dw2-stack-boundary.exp (check partial symtab errors):
Change the expected string.
* eval.c (evaluate_subexp_standard): Do not construct
an array of types; pass the value array directly to
find_overload_match.
* gdbtypes.h (NULL_POINTER_CONVERSION_BADNESS): Declare.
(rank_function): Take an array of values instead of types.
(rank_one_type): Add struct value * parameter.
* gdbtypes.c (NULL_POINTER_CONVERSION_BADNESS): Define.
(rank_function): For each argument, pass the argument's
value to rank_one_type.
(rank_one_type): Add VALUE parameter.
If the parameter type is a pointer and the argument type
is an integer, return NULL_POINTER_CONVERSION_BADNESS if
VALUE is zero.
Update all calls to rank_one_type, passing NULL for new
VALUE parameter.
* valarith.c (value_user_defined_cpp_op): Do not construct
an array of types; pass the value array directly to
find_overload_match.
* valops.c (find_overload_method_list): Take an array of
values instead of types.
Save the type of OBJP for later use.
Update calls to find_oload_champ, and find_oload_champ_namespace.
(find_oload_champ_namespace): Take an array of values instead
of types.
(find_oload_champ_namespace_loop): Likewise.
(find_oload_champ): Likewise.
(classify_oload_match): Inspect all arguments
until INCOMPATIBLE is found. Return the worst badness found
otherwise.
(compare_parameters): Update call to rank_one_type.
* value.h (find_overload_match): Take an array of values instead
of types.
Drop lazy lm_info reading.
* solib-svr4.c (struct lm_info): Remove field lm. New fields l_addr_p,
l_addr_inferior, l_ld, l_next, l_prev and l_name.
(lm_info_read): New function.
(lm_addr_from_link_map, lm_dynamic_from_link_map): Remove.
(lm_addr_check): Use l_addr_p. No longer use lm_addr_from_link_map and
lm_dynamic_from_link_map.
(lm_next, lm_prev, lm_name): Remove.
(svr4_keep_data_in_core): Use lm_info_read, drop the lm_info entries
initialization incl. read_memory. No longer use lm_name.
(svr4_free_so): Drop lm_info->lm freeing.
(svr4_default_sos): Initialize lminfo with zeroes. Use l_addr_p. Drop
explicit lm_addr and lm initialization.
(svr4_read_so_list): Use lm_info_read, drop the initailization of
fields by hand, incl. read_memory. No longer use lm_next, lm_prev and
lm_name.
* defs.h (struct so_list): New forward declaration.
(make_cleanup_free_so): New declaration.
* solib-svr4.c (ignore_first_link_map_entry): Remove.
(svr4_free_so): Move the function here from downwards. Handle NULL
so->lm_info.
(svr4_free_library_list): New.
(svr4_read_so_list): New, moved here code from svr4_current_sos.
Use more cleanups. Use new parameter ignore_first instead of
ignore_first_link_map_entry.
(svr4_current_sos): New variable ignore_first, initialize it. New
variable back_to, use it for svr4_free_library_list protection.
(svr4_free_so): Remove - move upwards.
* utils.c: Include solist.h.
(do_free_so, make_cleanup_free_so): New functions.
Fix empty DWARF expressions DATA vs. SIZE conditionals.
* dwarf2loc.c (dwarf2_find_location_expression): Clear *LOCEXPR_LENGTH.
(dwarf_expr_frame_base_1): Indicate unavailability via zero *LENGTH.
(locexpr_tracepoint_var_ref): Check only zero SIZE, not zero DATA.
(loclist_read_variable, loclist_tracepoint_var_ref): Do not check for
zero DATA.
* dwarf2loc.h (struct dwarf2_locexpr_baton): Comment DATA vs. SIZE
validity.
* dwarf2read.c (struct dwarf_block): Comment DATA validity.
(dwarf2_fetch_die_location_block, dwarf2_symbol_mark_computed): Do not
clear DATA on zero SIZE.
gdb/testsuite/
Fix empty DWARF expressions DATA vs. SIZE conditionals.
* gdb.dwarf2/dw2-op-call.S (arraycallnoloc, arraynoloc): New DIEs.
(loclist): New.
(4): New abbrev.
* gdb.dwarf2/dw2-op-call.exp: Remove variable srcfile and executable.
Use prepare_for_testing, remove clean_restart.
(p arraynoloc, p arraycallnoloc): New tests.
Fix compatibility with texinfo versions older than 4.12.
* Makefile.in (MAKEINFO): Set to @MAKEINFO@.
(MAKEINFOFLAGS, MAKEINFO_EXTRA_FLAGS, MAKEINFO_CMD): New.
(MAKEHTMLFLAGS): Use MAKEINFO_CMD.
(FLAGS_TO_PASS): Add MAKEINFOFLAGS and MAKEINFO_EXTRA_FLAGS.
* configure: Regenerate.
* configure.ac (MAKEINFO): Find it, from libiberty/configure.ac.
(MAKEINFOFLAGS): Pre-set it to --split-size=5000000.
(MAKEINFO_EXTRA_FLAGS): New test for -DHAVE_MAKEINFO_CLICK.
gdb/doc/
Fix compatibility with texinfo versions older than 4.12.
* Makefile.in (MAKEINFO): Set to @MAKEINFO@.
(MAKEINFOFLAGS, MAKEINFO_EXTRA_FLAGS, MAKEINFO_CMD): New.
(MAKEHTMLFLAGS): Use MAKEINFO_CMD.
(gdb.info, gdbint.info, stabs.info, annotate.info): Use MAKEINFO_CMD.
* gdb.texinfo (Tail Call Frames): Convert @arrow{} to @click, when possible.
Make the conversion conditional on HAVE_MAKEINFO_CLICK, using variables
CALLSEQ1A, CALLSEQ1B, CALLSEQ2A and CALLSEQ2B.
* breakpoint.h (pc_at_non_inline_function): Declare.
* breakpoint.c (is_non_inline_function,
pc_at_non_inline_function): New functions.
* infrun.c (handle_inferior_event): Don't call skip_inline_frames
if the stop is at a location where functions cannot be inlined.
2011-10-12 Pedro Alves <pedro@codesourcery.com>
* linux-nat.c (stop_and_resume_callback): Don't re-resume LWPs if
the core wanted them stopped, or if they now have a pending event
to report.
(linux_nat_filter_event): New parameter `new_pending_p'. Pass it
down to stop_and_resume_callback.
(linux_nat_wait_1): Always clear `options' when retrying. Handle
having new pending events after calling linux_nat_filter_event.
* gdbarch.sh: New field 'long_long_align_bit'.
* gdbarch.c, gdbarch.h: Regenerate.
* i386-tdep.c (i386_gdbarch_init): Set long_long_align_bit to 32.
* jit.c (jit_read_code_entry): Use it to determine correct size offset.
* linux-nat.c (linux_handle_extended_wait): Always dump both the
parent and child's pids as soon as we detect a clone event.
Adjust another debug message.
Fix separate debuginfo warning with "remote:" access.
* objfiles.h (struct objfile): New fields crc32 and crc32_p.
* symfile.c (get_file_crc): New function with the code moved from ...
(separate_debug_file_exists): ... this function, specifically variables
buffer and count. New variable verified_as_different, set it. Remove
file_crc initialization. Verify also if both files are not the same
manually, if needed.
libthread_db when we load libpthread or the main symbol file.
(thread_db_inferior_created): New function.
(_initialize_thread_db): Attach inferior_created observer.
* linux-nat.c (linux_child_post_attach): Remove call to
check_for_thread_db.
(linux_child_post_startup_inferior): Ditto.
* objfiles.h (OBJF_MAINLINE): Define.
* symfile.c (symbol_file_add_with_addrs_or_offsets): Pass it to
allocate_objfile when appropriate.
gdb/
* linux-nat.c (linux_handle_extended_wait): Don't resume the new
new clone lwp if the core asked it to stop. Don't pass on
unexpected signals to the new clone; leave them pending instead.
gdb/
* linux-nat.c (linux_nat_wait_1): Copy the event lwp's
last_resume_kind before clearing it, and use the copy instead to
determine whether to report a SIGSTOP as TARGET_SIGNAL_0. Use
resume_clear_callback in the non-stop path too.
* valprint.c (value_check_printable): Add one parameter OPTIONS.
Honor OPTIONS and VAL's type.
(common_val_print, value_print): Update to pass one more parameter.
Display @entry parameter values even for references.
* ada-valprint.c (ada_val_print_1) <TYPE_CODE_REF>: Try also
coerce_ref_if_computed.
* c-valprint.c (c_val_print) <TYPE_CODE_REF>: Likewise.
* dwarf2expr.c (dwarf_block_to_dwarf_reg_deref): New function.
(execute_stack_op) <DW_OP_GNU_entry_value>: Add -1 deref_size to the
existing push_dwarf_reg_entry_value call. Add new detection calling
dwarf_block_to_dwarf_reg_deref. Update the error message.
(ctx_no_push_dwarf_reg_entry_value): New parameter deref_size.
* dwarf2expr.h
(struct dwarf_expr_context_funcs) <push_dwarf_reg_entry_value>: Add new
parameter deref_size, describe it in the comment.
(ctx_no_push_dwarf_reg_entry_value): Add new parameter deref_size.
(dwarf_block_to_dwarf_reg_deref): New declaration.
* dwarf2loc.c (dwarf_entry_parameter_to_value): Add new parameter
deref_size, describe it in the function comment. New variables
data_src and size, fetch the alternative block accoring to DEREF_SIZE.
(dwarf_expr_push_dwarf_reg_entry_value): Add new parameter deref_size,
describe it in the function comment. Fetch the alternative block
accoring to DEREF_SIZE.
(entry_data_value_coerce_ref, entry_data_value_copy_closure)
(entry_data_value_free_closure, entry_data_value_funcs): New.
(value_of_dwarf_reg_entry): New variables checked_type, target_type,
outer_val, target_val, val and addr. Try to fetch and create also
referenced value content.
(pieced_value_funcs): NULL value for coerce_ref.
(needs_dwarf_reg_entry_value): Add new parameter deref_size.
* f-valprint.c (f_val_print) <TYPE_CODE_REF>: Try also
coerce_ref_if_computed.
* opencl-lang.c (opencl_value_funcs): NULL value for coerce_ref.
* p-valprint.c (pascal_val_print) <TYPE_CODE_REF>: Likewise.
* stack.c (read_frame_arg): Compare also dereferenced values.
* value.c (value_computed_funcs): Make the parameter v const, use
value_lval_const for it.
(value_lval_const, coerce_ref_if_computed): New function.
(coerce_ref): New variable retval. Call also coerce_ref_if_computed.
* value.h (struct lval_funcs): New field coerce_ref.
(value_computed_funcs): Make the parameter v const.
(value_lval_const, coerce_ref_if_computed): New declarations.
gdb/testsuite/
Display @entry parameter values even for references.
* gdb.arch/amd64-entry-value.cc (reference, datap, datap_input): New
functions.
(main): New variables regvar, nodatavarp, stackvar1, stackvar2. Call
reference and datap_input.
* gdb.arch/amd64-entry-value.exp (reference, breakhere_reference): New
breakpoints.
(continue to breakpoint: entry_reference: reference)
(entry_reference: bt at entry)
(continue to breakpoint: entry_reference: breakhere_reference)
(entry_reference: bt, entry_reference: ptype regparam)
(entry_reference: p regparam, entry_reference: ptype regparam@entry)
(entry_reference: p regparam@entry, entry_reference: p ®param@entry)
(entry_reference: p regcopy, entry_reference: p nodataparam)
(entry_reference: p nodataparam@entry): New tests.
Make some lval_funcs methods to default on NULL.
* valops.c (value_fetch_lazy): Check if lval_computed read method is
NULL.
(value_assign): Check if lval_computed write method is NULL.
* value.h (struct lval_funcs): Comment NULL values for read and write
methods.
Display @entry parameter values (without references).
* dwarf2expr.c (dwarf_block_to_fb_offset, dwarf_block_to_sp_offset):
New functions.
* dwarf2expr.h (dwarf_block_to_fb_offset, dwarf_block_to_sp_offset):
New declarations.
* dwarf2loc.c (dwarf2_find_location_expression): Support location list
entry record.
(dwarf_entry_parameter_to_value, value_of_dwarf_reg_entry)
(value_of_dwarf_block_entry, locexpr_read_variable_at_entry): New
functions.
(dwarf2_locexpr_funcs): Install locexpr_read_variable_at_entry.
(loclist_read_variable_at_entry): New function.
(dwarf2_loclist_funcs): Install loclist_read_variable_at_entry.
* dwarf2read.c (read_call_site_scope): Support also DW_OP_fbreg in
DW_AT_location, call dwarf_block_to_sp_offset for it.
* frame.h (print_entry_values_no, print_entry_values_only)
(print_entry_values_preferred, print_entry_values_if_needed)
(print_entry_values_both, print_entry_values_compact)
(print_entry_values_default, print_entry_values): New declarations.
(struct frame_arg): New field entry_kind.
(read_frame_arg): New parameter entryargp.
* mi/mi-cmd-stack.c (list_arg_or_local): New gdb_assert for
arg->entry_kind. Optionally print the `@entry' suffix.
(list_args_or_locals): New variable entryarg, initialize it.
Initialize also entry_kind of arg and entryarg. Conditionalize
list_arg_or_local for arg, add list_arg_or_local for entryarg. Call
xfree for entryarg.error.
* stack.c (print_entry_values_no, print_entry_values_only)
(print_entry_values_preferred, print_entry_values_if_needed)
(print_entry_values_both, print_entry_values_compact)
(print_entry_values_default, print_entry_values_choices)
(print_entry_values): New variables.
(print_frame_arg): New gdb_assert for arg->entry_kind. Optionally
print the `@entry' suffix, possibly in combination for
print_entry_values_compact.
(read_frame_arg): New parameter entryargp, new variables entryval,
entryval_error and val_equal. Read in also entryargp, respect
print_entry_values, compare the values using val_equal, fill in also
argp->entry_kind (together with entryargp->entry_kind).
(print_frame_args): New variable entryarg, initialize it.
Conditionalize print_frame_arg for arg, add print_frame_arg for
entryarg. Call xfree for entryarg.error.
(_initialize_stack): Call add_setshow_enum_cmd for `entry-values'.
* symtab.h (struct symbol_computed_ops): New field
read_variable_at_entry.
gdb/doc/
Display @entry parameter values (without references).
* gdb.texinfo (Tail Call Frames): Add anchor. Add self tail call
example.
(Print Settings): New description of set print entry-values and show
print entry-values.
gdb/testsuite/
Display @entry parameter values (without references).
* gdb.arch/amd64-entry-value.cc (locexpr, stacktest, data, data2)
(different, validity, invalid): New functions.
(main): Call them.
* gdb.arch/amd64-entry-value.exp: New breakpoints breakhere_locexpr,
stacktest, breakhere_stacktest, different, breakhere_different,
breakhere_validity and breakhere_invalid.
(entry: bt): Update for @entry.
(entry_locexpr: *, entry_stack: *, entry_equal: *, entry_different: *)
(entry_validity: *, entry_invalid: *): Many new tests.
* gdb.base/break.exp
(run until breakpoint set at small function, optimized file): Accept
also the @entry suffix.
* gdb.mi/Makefile.in (PROGS): Add mi2-amd64-entry-value.
* gdb.mi/mi2-amd64-entry-value.c: New files.
* gdb.mi/mi2-amd64-entry-value.exp: New files.
Code reshuffle.
* frame.h (struct frame_arg): New definition.
(read_frame_arg): New declaration.
* mi/mi-cmd-stack.c (list_arg_or_local): New functiom from ...
(list_args_or_locals): ... the code here. New variable arg, call
read_frame_arg and list_arg_or_local with it. Unify the
PRINT_SIMPLE_VALUES and PRINT_ALL_VALUES cases. Call xfree for
arg.error.
* stack.c (print_frame_arg): New functiom from the code of
print_frame_args.
(read_frame_arg): New function.
(print_frame_args): Remove variable val. New variable arg, call
read_frame_arg and print_frame_arg with it. Call xfree for arg.error.
Tail call sites reader implementation.
* dwarf2read.c (read_call_site_scope): Recognize DW_AT_GNU_tail_call,
fill in TYPE_TAIL_CALL_LIST.
* gdbtypes.h (struct func_type): New field tail_call_list.
(struct call_site): New field tail_call_next.
(TYPE_TAIL_CALL_LIST): New definition.
Implement basic support for DW_TAG_GNU_call_site.
* block.c: Include gdbtypes.h and exceptions.h.
(call_site_for_pc): New function.
* block.h (call_site_for_pc): New declaration.
* defs.h: Include hashtab.h.
(make_cleanup_htab_delete, core_addr_hash, core_addr_eq): New
declarations.
* dwarf2-frame.c (dwarf2_frame_ctx_funcs): Install
ctx_no_push_dwarf_reg_entry_value.
* dwarf2expr.c (read_uleb128, read_sleb128): Support R as NULL.
(dwarf_block_to_dwarf_reg): New function.
(execute_stack_op) <DW_OP_GNU_entry_value>: Implement it.
(ctx_no_push_dwarf_reg_entry_value): New function.
* dwarf2expr.h (struct dwarf_expr_context_funcs): New field
push_dwarf_reg_entry_value.
(ctx_no_push_dwarf_reg_entry_value, dwarf_block_to_dwarf_reg): New
declarations.
* dwarf2loc.c: Include gdbcmd.h.
(dwarf_expr_ctx_funcs): New forward declaration.
(entry_values_debug, show_entry_values_debug, call_site_to_target_addr)
(dwarf_expr_reg_to_entry_parameter)
(dwarf_expr_push_dwarf_reg_entry_value): New.
(dwarf_expr_ctx_funcs): Install dwarf_expr_push_dwarf_reg_entry_value.
(dwarf2_evaluate_loc_desc_full): Handle NO_ENTRY_VALUE_ERROR.
(needs_dwarf_reg_entry_value): New function.
(needs_frame_ctx_funcs): Install it.
(_initialize_dwarf2loc): New function.
* dwarf2loc.h (entry_values_debug): New declaration.
* dwarf2read.c (struct dwarf2_cu): New field call_site_htab.
(read_call_site_scope): New forward declaration.
(process_full_comp_unit): Copy call_site_htab.
(process_die): Support DW_TAG_GNU_call_site.
(read_call_site_scope): New function.
(dwarf2_get_pc_bounds): Support NULL HIGHPC.
(dwarf_tag_name): Support DW_TAG_GNU_call_site.
(cleanup_htab): Delete.
(write_psymtabs_to_index): Use make_cleanup_htab_delete instead of it.
* exceptions.h (enum errors): New NO_ENTRY_VALUE_ERROR.
* gdb-gdb.py (StructMainTypePrettyPrinter): Support
FIELD_LOC_KIND_DWARF_BLOCK.
* gdbtypes.h (enum field_loc_kind): New entry
FIELD_LOC_KIND_DWARF_BLOCK.
(struct main_type): New loc entry dwarf_block.
(struct call_site, FIELD_DWARF_BLOCK, SET_FIELD_DWARF_BLOCK)
(TYPE_FIELD_DWARF_BLOCK): New.
* python/py-type.c: Include dwarf2loc.h.
(check_types_equal): Support FIELD_LOC_KIND_DWARF_BLOCK. New
internal_error call on unknown FIELD_LOC_KIND.
* symtab.h (struct symtab): New field call_site_htab.
* utils.c (do_htab_delete_cleanup, make_cleanup_htab_delete)
(core_addr_hash, core_addr_eq): New functions.
gdb/testsuite/
Implement basic support for DW_TAG_GNU_call_site.
* gdb.arch/Makefile.in (EXECUTABLES): Add amd64-entry-value.
* gdb.arch/amd64-entry-value.cc: New file.
* gdb.arch/amd64-entry-value.exp: New file.
